CN207349451U - A kind of valve of tilting v-seal structure bidirectional bearing - Google Patents
A kind of valve of tilting v-seal structure bidirectional bearing Download PDFInfo
- Publication number
- CN207349451U CN207349451U CN201721416185.XU CN201721416185U CN207349451U CN 207349451 U CN207349451 U CN 207349451U CN 201721416185 U CN201721416185 U CN 201721416185U CN 207349451 U CN207349451 U CN 207349451U
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- shaped seal
- seal ring
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model provides a kind of valve of tilting v-seal structure bidirectional bearing, including valve body, valve seat, spool and valve shaft；Spool end is equipped with V-shaped seal ring by pressure ring and adjusting screw, and V-shaped seal ring includes sealing, clamping part and inner fovea part, and the clamping part both sides of V-shaped seal ring are close to pressure ring and spool respectively, and sealing is contacted with valve seat；In sealed states, there is first residue space between pressure ring and spool, the second overdose space to the micro movement in water inlet direction is left between valve seat and valve body, pressure ring is equipped with aperture, and the inner fovea part of V-shaped seal ring is turned on by first residue space, aperture with water outlet；During valve medium back flow, medium flow into first residue space from aperture and enter V-shaped seal ring to inner fovea part, being subject to the V-shaped seal ring that pressure medium acts on to deform upon makes sealing raised and is contacted with valve seat.Valve described in the utility model solves the problems, such as that the fashionable valve tightness of traditional valve medium reverse flow is bad.
Description
Technical field
The utility model belongs to valve technology field, more particularly, to a kind of valve of tilting v-seal structure bidirectional bearing
Door.
Background technology
Valve is industrially used for the equipment for blocking the fluid media (medium) in pipeline, in order to ensure that the spool of valve and valve body connect
The sealing at position is touched, it is necessary to set seal at contact position.
Existing valve, when medium is flowed into from water inlet, water inlet pressure is situated between higher than the pressure of the water outlet after spool
The thrust that confrontation spool, valve shaft produce is loaded on spool, is made spool mobile to media flow direction with valve shaft and is connect with valve seat
Touch, the seal that thrust extruding is fixed on spool simultaneously forms sealing, and this seal form is also referred to as positive sealing.
In the prior art, the valve of said structure pressurizes from water inlet can be achieved valve closing, still, pressurize from water outlet
Leakage just occurs, i.e., can not realize the function of two way seal.
The content of the invention
In view of this, the utility model is directed to a kind of valve of tilting v-seal structure bidirectional bearing, existing to solve
Have valve can not bidirectional bearing the problem of.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of valve of tilting v-seal structure bidirectional bearing, including valve body, valve seat, spool and valve shaft；
Spool is installed in valve body by valve shaft, and spool can be rotated to side under the control of valve shaft from flow of media direction
Side；
Valve seat is limited in valve body by stop screw；
Spool end is equipped with V-shaped seal ring by pressure ring and adjusting screw, and V-shaped seal ring includes sealing, clamping part
And inner fovea part, the clamping part both sides of V-shaped seal ring are close to pressure ring and spool respectively, sealing is contacted with valve seat；
In sealed states, there is first residue space between pressure ring and spool, left between valve seat and valve body to water inlet
Second overdose space of the micro movement in direction, pressure ring are equipped with aperture, the inner fovea part of V-shaped seal ring by first residue space,
Aperture is turned on water outlet；
During valve medium back flow, medium from aperture flow into first residue space and enter V-shaped seal ring to inner fovea part, by
The V-shaped seal ring acted on to pressure medium, which deforms upon, to be made sealing raised and is contacted with valve seat.
Further, the rotation of the adjusting screw adjusts the size in the first residue space.
Further, the valve shaft is equipped with the flat key coordinated with spool, and spool is equipped with the mounting groove coordinated with flat key.
Further, the spool end is equipped with the mounting groove of accommodating V-shaped seal ring, and pressure ring includes bare terminal end, bare terminal end
V-shaped seal ring is matched for clamping tightly with mounting groove.
Further, the V-shaped seal ring is elastic rubber or elastic resin part.
Relative to the prior art, the valve of tilting v-seal structure bidirectional bearing described in the utility model is with following
Advantage：Solve the problems, such as that the fashionable valve tightness of traditional valve medium reverse flow is bad, i.e., traditional valve can not be realized two-way
The problem of pressure-bearing.
Brief description of the drawings
The attached drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not form the improper restriction to the invention.
In attached drawing：
Fig. 1 is the structure diagram of the valve described in the utility model embodiment；
Fig. 2 is the partial schematic diagram of the valve described in the utility model embodiment；
Fig. 3 is the close-up schematic view of the valve described in the utility model embodiment；
Fig. 4 is the schematic diagram of the V-shaped seal ring described in the utility model embodiment.
Description of reference numerals：
1- upper covers；2- valve bodies；3- stop screws；4- valve seats；The second overdose spaces of 41-；5-V type sealing rings；51- is sealed
Portion；52- clamping parts；53- inner fovea parts；6- pressure rings；7- adjusting screws；71- first residues space；72- apertures；8- spools；9- valves
Axis；10- water outlets；11- flat keys；12- water inlets.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments creates.
The technical program the technical problem to be solved is that：Existing valve, when medium is flowed into from water inlet 12, water inlet
Mouthful 12 pressure are higher than the pressure of the water outlet 10 after spool 8, and the thrust that medium produces spool 8, valve shaft 9 is loaded on spool 8,
Make spool 8 mobile to media flow direction with valve shaft 9 and contacted with valve seat 4, thrust extrudes the seal being fixed on spool 8 simultaneously
Sealing is formed, the also referred to as positive sealing of this seal form, the valve of said structure pressurizes from water inlet 12 can be achieved valve pass
Close, still, pressurize from water outlet 10 and leakage just occurs, i.e., can not realize the function of two way seal.
In order to solve the above-mentioned technical problem, as shown in Figure 1, 2, 3, a kind of tilting v-seal structure is present embodiments provided
The valve of bidirectional bearing, including valve body 2, valve seat 4, spool 8 and valve shaft 9；Spool 8 is installed in valve body 2 by valve shaft 9, spool 8
It can be rotated under the control of valve shaft 9 from flow of media direction to side；Valve seat 4 is limited in valve body 2 by stop screw 3；Valve
8 end of core is equipped with V-shaped seal ring 5 by pressure ring 6 and adjusting screw 7, as shown in figure 4, V-shaped seal ring 5 include sealing 51,
Clamping part 52 and inner fovea part 53,52 both sides of clamping part of V-shaped seal ring 5 are close to pressure ring 6 and spool 8 respectively, sealing 51 with
Valve seat 4 contacts；In sealed states, there is first residue space 71 between pressure ring 6 and spool 8, left between valve seat 4 and valve body 2
To the second overdose space 41 of the micro movement in 12 direction of water inlet, pressure ring 6 is equipped with aperture 72, the inner fovea part 53 of V-shaped seal ring 5
Turned on by first residue space 71, aperture 72 and water outlet 10.
The course of work：Valve includes valve body 2, valve seat 4, spool 8 and valve shaft 9, and spool 8 is installed on valve body 2 by valve shaft 9
Interior, spool 8 can rotate under the control of valve shaft 9 from flow of media direction to side, and spool 8 is towards flow of media direction side
When, 8 face upper cover 1 of spool, spool 8 and attached parts can be adjusted processing by opening upper cover 1, and valve body 2 includes water inlet
12 and water outlet 10.
In normal work process, medium is flowed into from water inlet 12, flowed out from water outlet 10, when valve is opened, valve
For core 8 under the control of valve shaft 9 at the side position in flow of media direction, spool 8 is closing valve towards flow of media direction
Men Shi, spool 8 are in flow of media direction under the control of valve shaft 9, and spool 8 is subject to slight shape occurs under the pressure of media flow
Become, make the seal of spool 8, V-shaped seal ring 5 is contacted with valve seat 4, and V-shaped seal ring 5 occurs under the extruding of spool 8 and valve seat 4
Deformation is so as to produce sealing function；
Under special working status, medium is reversely flowed into from water outlet 10, and spool 8 is under the control of valve shaft 9 in Jie
Matter circulating direction, V-shaped seal ring 5 include sealing 51, clamping part 52 and inner fovea part 53,52 both sides of clamping part of V-shaped seal ring 5
It to be close to respectively with pressure ring 6 and spool 8, sealing 51 is contacted with valve seat 4, there is first residue space 71 between pressure ring 6 and spool 8,
The second overdose space 41 to the micro movement in 12 direction of water inlet is left between valve seat 4 and valve body 2, pressure ring 6 is equipped with aperture 72,
The inner fovea part 53 of V-shaped seal ring 5 is turned on by first residue space 71, aperture 72 and water outlet 10, and medium is anti-from water outlet 10
To when flowing into, spool 8 and valve seat 4 pressure medium in sealing contact is disappeared, generate on the contrary reverse pressure cause spool 8 with
Valve seat 4 directly has the gap, and medium can reversely flow into valve body 2 from the gap, this is that common valve can not realize the work reversely sealed
Make process, there are two in this valve for the passage of media flow, when above-mentioned spool 8 and 4 direct gap of valve seat, second, pressure
The closed channel that the inner fovea part 53 of aperture 72, first residue space 71 and V-shaped seal ring 5 on ring 6 is formed, medium flow into the envelope
Pressure medium can pass to the inner fovea part 53 of V-shaped seal ring 5 after closed walk, V-shaped seal ring 5 be subject to make after the pressure it is overall to
Miniature deformation, which occurs, for 51 direction of sealing makes sealing 51 raise up, that is, is subject to the V-shaped seal ring 5 that pressure medium acts on to occur
Deformation makes sealing 51 raised and the gap for having laid equal stress on newly closed for medium reverse flow is contacted with valve seat 4.
Due to leaving the second overdose space 41 to the micro movement in 12 direction of water inlet between valve seat 4 and valve body 2, it is situated between
When matter buffer brake acts on, valve seat 4 is with respect to valve body 2 to 12 direction displacement of water inlet, i.e. valve seat 4 is to 8 direction displacement of spool, equally
Can close the gap for medium reverse flow.
The closed channel that aperture 72, first residue space 71,5 inner fovea part 53 of V-shaped seal ring are formed, valve seat 4 and valve body 2 it
Between leave the second overdose space 41 to the micro movement in 12 direction of water inlet, it is good that the two collective effect can have this valve
The effect of reverse pressure-bearing sealing.
The technical solution that the embodiment is provided has the technical effect that：Solves the fashionable valve of traditional valve medium reverse flow
The problem of poor sealing, i.e. traditional valve, can not realize the problem of bidirectional bearing.
The rotation of the adjusting screw 7 adjusts the size in the first residue space 71.Under valve normal operating conditions,
I.e. medium is flowed into from water inlet 12, and during valve forward direction pressure-bearing, the effect in first residue space 71 is to adjust pressure ring 6 close to V-type
The extruding force size of seal 5, under 71 minimum state of first residue space, pressure ring 6 and clamping journey of the spool 8 to V-shaped seal ring 5
Spend highest, under 71 maximum rating of first residue space, pressure ring 6 with it is minimum to the clamping degree of V-shaped seal ring 5 with spool 8.
The valve shaft 9 is equipped with the flat key 11 coordinated with spool 8, and spool 8 is equipped with the mounting groove coordinated with flat key 11.
8 end of spool is equipped with the mounting groove of accommodating V-shaped seal ring 5, and pressure ring 6 includes bare terminal end, bare terminal end and installation
Groove is matched for clamping tightly V-shaped seal ring 5.
The V-shaped seal ring 5 is elastic rubber or elastic resin part.
In an advantageous embodiment, V-shaped seal ring 5 can deform upon under the clamping of pressure ring 6 and spool 8 and make sealing
51 outwardly convex of portion, i.e., make the overall deformation in advance of V-shaped seal ring 5 by the clamping action of pressure ring 6 and spool 8, produce in advance
The advantages of overall deformation, is that the projection amount of sealing surface is adjustable, i.e., when sealing surface is worn in, is sealed by adjusting
The projection amount in face makes up wear extent, even if so that seal, which is worn, still can continue normal use.
In an advantageous embodiment, valve shaft 9 uses eccentric setting, and 8 end of spool is welded with along 5 side heap of V-shaped seal ring
The B metallic packing rings of wear resistant alloy material, 6 end of pressure ring are welded with the A metals of wear resistant alloy material along 5 side heap of V-shaped seal ring
Sealing ring；Spool 8 rotates clockwise valve shaft 9 when closing, and valve shaft 9 is rotated with movable valve plug 8, and A metallic packing rings and valve seat 4 are gradual
Scraping is extruded, the dirt of 4 sealing surface of valve seat is removed and forms first of sealing, sealing ring contacts simultaneously with the gradual extruding of valve seat 4
Second sealing is formed, B metallic packing rings contact with the gradual extruding of valve seat 4 and form three seals ring.
When spool 8 is closed, A metallic packing rings and the gradual extruding scraping of valve seat 4, remove the dirt of 4 sealing surface of valve seat simultaneously
Form first of sealing, the gradual extruding of V-shaped seal ring 5 and valve seat 44 contact and forms second and seals, B metallic packing rings and
The gradual extruding of valve seat 4 contacts and forms three seals ring, and twice metallic packing ring can effectively remove the dirt of 4 sealing surface of valve seat
Dirt, especially suitable for the serious various pipes of northern area scale formation, keeps the sealing performance of valve, extends valve sealing element
Service life；In addition, when valve will close, velocity of medium accelerates that V-shaped seal ring 5 can be caused medium erosion failure, two
Road metallic packing ring can form V-shaped seal ring 5 and protect, and further extend the service life of sealing ring.
The foregoing is merely the preferred embodiment of the invention, is not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on, should be included in the invention
Protection domain within.
Claims (5)
- A kind of 1. valve of tilting v-seal structure bidirectional bearing, it is characterised in that：Including valve body, valve seat, spool and valve shaft；Spool is installed in valve body by valve shaft, and spool can be rotated to side under the control of valve shaft from flow of media direction；Valve seat is limited in valve body by stop screw；Spool end is equipped with V-shaped seal ring by pressure ring and adjusting screw, and V-shaped seal ring includes sealing, clamping part and interior Recess, the clamping part both sides of V-shaped seal ring are close to pressure ring and spool respectively, and sealing is contacted with valve seat；In sealed states, there is first residue space between pressure ring and spool, left between valve seat and valve body to water inlet direction Second overdose space of micro movement, pressure ring are equipped with aperture, and the inner fovea part of V-shaped seal ring passes through first residue space, aperture Turned on water outlet；During valve medium back flow, medium from aperture flow into first residue space and enter V-shaped seal ring to inner fovea part, be situated between The V-shaped seal ring of matter pressure effect, which deforms upon, to be made sealing raised and is contacted with valve seat.
- A kind of 2. valve of tilting v-seal structure bidirectional bearing according to claim 1, it is characterised in that：Adjust spiral shell The rotation of nail adjusts the size in the first residue space.
- A kind of 3. valve of tilting v-seal structure bidirectional bearing according to claim 1, it is characterised in that：On valve shaft Equipped with the flat key coordinated with spool, spool is equipped with the mounting groove coordinated with flat key.
- A kind of 4. valve of tilting v-seal structure bidirectional bearing according to claim 1, it is characterised in that：Spool end Portion is equipped with the mounting groove of accommodating V-shaped seal ring, and pressure ring includes bare terminal end, and bare terminal end is matched for clamping tightly V-shaped seal ring with mounting groove.
- A kind of 5. valve of tilting v-seal structure bidirectional bearing according to claim 1, it is characterised in that：V-seal Enclose as elastic rubber or elastic resin part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416185.XU CN207349451U (en) | 2017-10-30 | 2017-10-30 | A kind of valve of tilting v-seal structure bidirectional bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416185.XU CN207349451U (en) | 2017-10-30 | 2017-10-30 | A kind of valve of tilting v-seal structure bidirectional bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349451U true CN207349451U (en) | 2018-05-11 |
Family
ID=62352845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721416185.XU Active CN207349451U (en) | 2017-10-30 | 2017-10-30 | A kind of valve of tilting v-seal structure bidirectional bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701733A (en) * | 2017-10-30 | 2018-02-16 | 博纳斯威阀门股份有限公司 | A kind of valve of tilting v-seal structure bidirectional bearing |
-
2017
- 2017-10-30 CN CN201721416185.XU patent/CN207349451U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701733A (en) * | 2017-10-30 | 2018-02-16 | 博纳斯威阀门股份有限公司 | A kind of valve of tilting v-seal structure bidirectional bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107339455B (en) | Coolant rate control device in the cooling circuit of internal combustion engine | |
| US2194261A (en) | Gate valve, seat, and packing | |
| JP5871432B2 (en) | Rotary valve seal member and rotary valve using the same | |
| CN207349451U (en) | A kind of valve of tilting v-seal structure bidirectional bearing | |
| CN107676499B (en) | With the multiple-sealed valve with descaling function | |
| GB2045898A (en) | Gate valve structure | |
| CN107701733A (en) | A kind of valve of tilting v-seal structure bidirectional bearing | |
| CN207349461U (en) | A kind of valve with triangle seal configuration of adjustable easy care | |
| CN107654674A (en) | A kind of valve with triangle seal configuration of adjustable easy care | |
| CN207470813U (en) | With the multiple-sealed valve with descaling function | |
| CN203571075U (en) | Sealing pair structure of triple eccentric metal sealing butterfly valve | |
| CN207989766U (en) | Keep the temperature Y shape shut-off valve | |
| CN208457279U (en) | A kind of explosion-proof disconnected shutoff valve | |
| CN107842627B (en) | Hard seal ball valve | |
| KR102158560B1 (en) | Leak-proof valve | |
| CN104676030A (en) | High-temperature wear-resistant type bidirectional hard-sealing slurry-blowing shear valve | |
| CN205689800U (en) | A kind of ball-valve structure | |
| US10443752B2 (en) | Drip proof outlet diffuser for a faucet | |
| CN204459232U (en) | High-temperature wearable two-way hard seal purges slurry oil shear valve | |
| CN205605840U (en) | Water faucet valve core | |
| CN218883025U (en) | Parallel high-performance butterfly valve | |
| CN217815071U (en) | Steel gate valve | |
| CN216078327U (en) | Water leakage-proof faucet | |
| CN210088048U (en) | Check valve assembly | |
| CN214579003U (en) | Pilot middle cavity constant-pressure type ultrahigh-pressure ball valve for oil and gas exploitation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |